| UTR Pro Tennis Series California | 2021/08/25 15:00 | Karue Sell v John B D Otico | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/08/24 18:00 | Ryan Seggerman v John B D Otico | 6-3,6-0 |
| UTR Pro Tennis Series California | 2021/08/23 21:45 | Martin Redlicki v John B D Otico | 6-7,6-2,6-2 |
| UTR Pro Tennis Series California | 2021/08/22 15:00 | John B D Otico v Wally Thayne | 0-0 |
| UTR Pro Tennis Series California | 2021/07/28 18:00 | Alexey Nesterov v John B D Otico | 6-2,5-1 |
| UTR Pro Tennis Series California | 2021/07/27 19:30 | Ethan Quinn v John B D Otico | 6-4,3-6,5-4 |
| UTR Pro Tennis Series California | 2021/07/25 18:00 | Aditya Gupta v John B D Otico | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/07/21 16:30 | John B D Otico v Ewen Lumsden | 1-6,4-6 |
| UTR Pro Tennis Series California | 2021/11/14 20:30 | Arthur Bellegy v Maximilian Wild | 6-4,6-0 |
| UTR Pro Tennis Series California | 2021/11/11 19:00 | Arthur Bellegy v Ethan Schiffman | 1-6,4-6 |
| UTR Pro Tennis Series California | 2021/11/10 19:00 | Nicholas Heng v Arthur Bellegy | 6-7,6-6 |
| UTR Pro Tennis Series California | 2021/11/08 17:30 | Arthur Bellegy v Maciej Rajski | 4-6,2-5 |
| UTR Pro Tennis Series California | 2021/10/14 16:30 | Arthur Bellegy v Manuel S Montemayor | 4-6,7-6,1-5 |
| UTR Pro Tennis Series California | 2021/09/02 15:00 | Arthur Bellegy v William Peters | 1-6,3-6 |
| UTR Pro Tennis Series California | 2021/09/01 21:00 | Michail Pervolarakis v Arthur Bellegy | 6-4,1-6,5-1 |
| UTR Pro Tennis Series California | 2021/08/31 18:00 | Neel Rajesh v Arthur Bellegy | 1-6,6-4,4-6 |